Four Swift searches for transient sources of high-energy neutrinos

A. Keivani, Douglas Cowen, Derek Brindley Fox, Jamie A. Kennea, G. Tešić, C. F. Turley, P. A. Evans, J. P. Osborne, F. E. Marshall

Research output: Contribution to journalConference article

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Abstract

We present results of the first four Swift satellite follow-up campaigns seeking to identify transient or variable X-ray or UV/optical sources that might be associated with individual candidate high-energy cosmic muon neutrinos detected by the IceCube Neutrino Observatory. Real-time public alerts providing coordinates and arrival times of likely-cosmic neutrinos have been provided by IceCube, via the Astrophysical Multimessenger Observatory Network, since April 2016. Subsequent Swift X-ray observations of four likely-cosmic neutrinos (events 160731A, 161103A, 170312A, and 170321A) reveal multiple X-ray sources in the targeted 90%-containment regions, most of which have been previously identified, and none of which are considered likely sources of high-energy neutrinos. Observations exclude association with the brightest 30% to 65% of Swifttype γ-ray burst X-ray afterglows over the observed regions. Contemporaneous Swift UV/optical observations, providing reduced coverage of the event localizations, also reveal no candidate transient or variable UV/optical counterparts. We discuss the results of these campaigns and our plans for further follow-up of likely-cosmic high-energy neutrinos from IceCube.

Original languageEnglish (US)
JournalProceedings of Science
StatePublished - Jan 1 2017
Event35th International Cosmic Ray Conference, ICRC 2017 - Bexco, Busan, Korea, Republic of
Duration: Jul 10 2017Jul 20 2017

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neutrinos
energy
observatories
x rays
containment
afterglows
arrivals
muons
bursts
rays
astrophysics

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Keivani, A. ; Cowen, Douglas ; Fox, Derek Brindley ; Kennea, Jamie A. ; Tešić, G. ; Turley, C. F. ; Evans, P. A. ; Osborne, J. P. ; Marshall, F. E. / Four Swift searches for transient sources of high-energy neutrinos. In: Proceedings of Science. 2017.
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title = "Four Swift searches for transient sources of high-energy neutrinos",
abstract = "We present results of the first four Swift satellite follow-up campaigns seeking to identify transient or variable X-ray or UV/optical sources that might be associated with individual candidate high-energy cosmic muon neutrinos detected by the IceCube Neutrino Observatory. Real-time public alerts providing coordinates and arrival times of likely-cosmic neutrinos have been provided by IceCube, via the Astrophysical Multimessenger Observatory Network, since April 2016. Subsequent Swift X-ray observations of four likely-cosmic neutrinos (events 160731A, 161103A, 170312A, and 170321A) reveal multiple X-ray sources in the targeted 90{\%}-containment regions, most of which have been previously identified, and none of which are considered likely sources of high-energy neutrinos. Observations exclude association with the brightest 30{\%} to 65{\%} of Swifttype γ-ray burst X-ray afterglows over the observed regions. Contemporaneous Swift UV/optical observations, providing reduced coverage of the event localizations, also reveal no candidate transient or variable UV/optical counterparts. We discuss the results of these campaigns and our plans for further follow-up of likely-cosmic high-energy neutrinos from IceCube.",
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Keivani, A, Cowen, D, Fox, DB, Kennea, JA, Tešić, G, Turley, CF, Evans, PA, Osborne, JP & Marshall, FE 2017, 'Four Swift searches for transient sources of high-energy neutrinos', Proceedings of Science.

Four Swift searches for transient sources of high-energy neutrinos. / Keivani, A.; Cowen, Douglas; Fox, Derek Brindley; Kennea, Jamie A.; Tešić, G.; Turley, C. F.; Evans, P. A.; Osborne, J. P.; Marshall, F. E.

In: Proceedings of Science, 01.01.2017.

Research output: Contribution to journalConference article

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AU - Keivani, A.

AU - Cowen, Douglas

AU - Fox, Derek Brindley

AU - Kennea, Jamie A.

AU - Tešić, G.

AU - Turley, C. F.

AU - Evans, P. A.

AU - Osborne, J. P.

AU - Marshall, F. E.

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N2 - We present results of the first four Swift satellite follow-up campaigns seeking to identify transient or variable X-ray or UV/optical sources that might be associated with individual candidate high-energy cosmic muon neutrinos detected by the IceCube Neutrino Observatory. Real-time public alerts providing coordinates and arrival times of likely-cosmic neutrinos have been provided by IceCube, via the Astrophysical Multimessenger Observatory Network, since April 2016. Subsequent Swift X-ray observations of four likely-cosmic neutrinos (events 160731A, 161103A, 170312A, and 170321A) reveal multiple X-ray sources in the targeted 90%-containment regions, most of which have been previously identified, and none of which are considered likely sources of high-energy neutrinos. Observations exclude association with the brightest 30% to 65% of Swifttype γ-ray burst X-ray afterglows over the observed regions. Contemporaneous Swift UV/optical observations, providing reduced coverage of the event localizations, also reveal no candidate transient or variable UV/optical counterparts. We discuss the results of these campaigns and our plans for further follow-up of likely-cosmic high-energy neutrinos from IceCube.

AB - We present results of the first four Swift satellite follow-up campaigns seeking to identify transient or variable X-ray or UV/optical sources that might be associated with individual candidate high-energy cosmic muon neutrinos detected by the IceCube Neutrino Observatory. Real-time public alerts providing coordinates and arrival times of likely-cosmic neutrinos have been provided by IceCube, via the Astrophysical Multimessenger Observatory Network, since April 2016. Subsequent Swift X-ray observations of four likely-cosmic neutrinos (events 160731A, 161103A, 170312A, and 170321A) reveal multiple X-ray sources in the targeted 90%-containment regions, most of which have been previously identified, and none of which are considered likely sources of high-energy neutrinos. Observations exclude association with the brightest 30% to 65% of Swifttype γ-ray burst X-ray afterglows over the observed regions. Contemporaneous Swift UV/optical observations, providing reduced coverage of the event localizations, also reveal no candidate transient or variable UV/optical counterparts. We discuss the results of these campaigns and our plans for further follow-up of likely-cosmic high-energy neutrinos from IceCube.

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